dannyboy1972 dannyboy1972

01-12-2016
Mathematics

contestada

a+b=2x-2 and a-b=4x-8 find a and b

Respuesta :

charstar charstar

01-12-2016

a+b=2x-2
a-b=4x-8
a=6x-10
a=4x-8+b
6x-10=4x-8+b
2x-10=b-8
2x+2=b
2x-2=b-4
a+b=b-4
a=-4
-4=6x-10
6=6x
x=1
2-2=b-4
0=b-4
4=b

a=-4
b=4

Hope this helps :)

Answer Link

Otras preguntas

True or False: There is one simple rule for putting irregular verbs into the past tense.

Mai thinks Tyler’s answer is incorrect. She says, “If expressions are equivalent then they are equal for any value of the variable. Why don’t you try to substit

help The area of a square

What are the y-intercept and the horizontal asymptote of g(x) = 4x + 3? (0, 3); y = 4 (0, 4) ; y = 3 (0, 5) ; y = 4 (0, 7) ; y = 3

Simplify: 18 - ⎷81 + 9 · 3⁴ - (3 - 2 + 9) ÷ 2

A programmer ensures the user inputs valid data by setting algorithms boundaries data output

What is 75% of 112? (^u^)

Based on this stock price model, what is the best prediction of what the price will do next?

Why do you think McCandless stayed so long and even considered settling in Bullhead City?

Find the area if the pentagon. I’ll mark the brainiest :)